Sunday, May 24, 2015

Rybka Plays the Jerome Gambit

Here is the game from the Kasparovchess forum mentioned by Philidor1792 in the previous post, with Rybka matched against a player from the site.

Rybka - Mustitz

10 5 casual game, 2010

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ 

4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ Ke6 7.f4 d6

I have nicknamed this line "the annoying defense" as Black gives back a piece and drains the position of much of its dynamism.

It is ironic that White, a computer in this game, must face a variation very popular with computer defenders.

8.fxe5 dxe5 9.Qh3+ Kf7 10.Qh5+  Ke6 11.Qh3+ Kf7 12.Qh5+ g6

Rybka would be content with a draw by repetition. Mustitz would not.

13.Qxe5 Qe7 

This move is new to The Database.

14.Qxe7+ Nxe7 15.c3 Nc6 16.d4 Nxd4 

17.cxd4 Bxd4 18.Nc3 Re8 19.Bd2 Bxc3 20.O-O+ Kg8 21.Bxc3 Rxe4 

This is an interesting position for both sides. White can be "happy" it is only a pawn down in a Jerome Gambit, while Black can be pleased to still be a pawn ahead. Certainly the signs of a possible draw via Bishops-of-opposite colors are present.

22.Rae1 Bf5 23.Rxe4 Bxe4 24.Rd1 Bf5 25.h3 Re8 26.Kf2 Be6 27.b3 Kf7 28.g4 c6 29.Kg3 Bd5 30.Rf1+ Ke7 31.Re1+ Kd7 32.Rxe8 Kxe8 

33.Kf4 h5 34.Kg5 hxg4 35.hxg4 Be4 36.Be5 Kd7 37.b4 Ke6 38.Bb8 a6 39.Bc7 Kd5 40.Kf4 Bb1 41.a4 Kc4 42.Bd6 b6 43.a5 bxa5 44.bxa5 Kd4 45.Be5+ Kd3 46.Bd6 Kd4 47.Be5+ Kd5 48.Bc3 c5 49.Be1 Kd4 50.Bf2+ Kc4 51.Ke5 Kd3 52.Bxc5 Kc4 53.Bf2 Drawn

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